Answer :
Other names for open-heart will be kind, candid, benevolent, compassionate, etc.
An open-hearted person is someone compassionate, kind, loving, blunt, and honest. They are generous and frank. They are open and honestly express their feelings, opinions about others, and so on.
They are the kind of people whom we can share anything with, they are supportive and do not judge others when others express their pains and feelings to them. One can share their deepest emotions, thoughts, and secrets with them. They are keepers.
They have the desire to help others. They are polite and straight forward, sincere, plain and friendly.
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